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As first noted in commit d1a229ae, in some cases we do call chains that are not supported for JIT in LuaJIT.
I'm not 100% sure all of these are needed to comply, but the functions here are really small and probably not to be that heavily used, so I don't think it will be costly to interpret them (and avoiding crashes is more important).
In my tests this fixed occasional crashes when using http://*/trace/*